body {
    background-color: #f2f2f2;
}
.layout {
    .header {
        width: 100%;
        height: 90/37.5rem;
        text-align: center;
        line-height: 90/37.5rem;
        font-size: 34/37.5rem;
        color: #1f1f1f;
        background-color: #fff;
        .backArrow {
            width: 40/37.5rem;
            height: 90/37.5rem;
            background: url("../../img/back_B@3x.png") no-repeat left center;
            background-size: 60/37.5rem 60/37.5rem;
            position: absolute;
            top: 0;
            left: 025/37.5rem;
        }
    }
    .regForm {
        padding: 0 50/37.5rem;
        margin-top: 86/37.5rem;
        input {
            display: block;
            border: none;
            outline: none;
            width: 650/37.5rem;
            height: 80/37.5rem;
            border: 1px solid #bdbdc3;
            border-radius: 5px;
            margin: 0 auto 40/37.5rem auto;
            padding-left: 40/37.5rem;
            font-size: 28/37.5rem;
            color: #1f1f1f;
            box-sizing: border-box;
        }
        span {
            font-size: 30/37.5rem;
            color: #333333;
        }
        .code {
            display: inline-block;
            width: 325/37.5rem;
            margin-bottom: 60/37.5rem;
            margin-right: 62/37.5rem;
        }
        a {
            display: block;
            width: 650/37.5rem;
            height: 90/37.5rem;
            border-radius: 5px;
            margin: 0 auto;
            font-size: 28/37.5rem;
            color: #fff;
            font-size: 34/37.5rem;
            text-align: center;
            line-height: 90/37.5rem;
            background-color: #1f1f1f;
        }
    }
    .tips {
        display: none;
        width: 450/37.5rem;
        height: 80/37.5rem;
        font-size: 30/37.5rem;
        line-height: 80/37.5rem;
        text-align: center;
        color: #fff;
        border-radius: 40/37.5rem;
        opacity: 0;
        background-color: #1f1f1f;
        position: fixed;
        bottom: 150/37.5rem;
        left: 50%;
        margin-left: -200/37.5rem;
    }
}